Neum (C.L. Koch, 1835) (Chilopoda: Geophilomorpha: Geophilidae): Implications for the evolution with the Hox class genes of arthropods. Molecular Phylogenetics and Evolution 2002, 22(1):155-161. 99. Sewell W, Williams T, Cooley J, Terry M, Ho R, Nagy L: Evidence to get a novel role for dachshund in patterning the proximal arthropod leg. Development Genes and Evolution 2008, 218(six):293-305.one hundred. Mazet F, Hutt JA, Milloz J, Millard J, Graham A, Shimeld SM: Molecular evidence from Ciona intestinalis for the evolutionary origin of vertebrate sensory placodes. Dev Biol 2005, 282(two):494-508. 101. Aruga J, Odaka YS, Kamiya A, Furuya H: Dicyema Pax6 and Zic: tool-kit genes within a highly simplified bilaterian. Bmc Evolutionary Biology 2007, 7. 102. Hoshiyama D, Iwabe N, Miyata T: Evolution of your gene households forming the PaxSix regulatory network: Isolation of genes from primitive animals and molecular phylogenetic analyses. Febs Lett 2007, 581(eight):1639-1643. 103. Stein RA, Staros JV: Insights into the evolution in the ErbB receptor household and their ligands from sequence analysis. Bmc Evolutionary Biology 2006, 6. 104. Srivastava M, Begovic E, Chapman J, Putnam NH, Hellsten U, Kawashima T, Kuo A, Mitros T, Salamov A, Carpenter ML, et al: The Trichoplax genome plus the nature of placozoans. Nature 2008, 454(7207):955-U919. 105. Chow RL, Volgyi B, Szilard RK, Ng D, McKerlie C, Bloomfield SA, Birch DG, McInnes RR: Control of late off-center cone bipolar cell differentiation and visual signaling by the homeobox gene Vsx1. P Natl Acad Sci USA 2004, 101(six):1754-1759. 106. Nakagawa M, Orii H, Yoshida N, Jojima E, Horie T, Yoshida R, Haga T, Tsuda M: Ascidian arrestin (Ci-arr), the origin from the visual and nonvisual arrestins of vertebrate. European Journal of Biochemistry 2002, 269(21):5112-5118. 107. Suga H, Koyanagi M, Hoshiyama D, Ono K, Iwabe N, Kuma K, Miyata T: Substantial gene duplication in the early evolution of animals just before the parazoan-eumetazoan split demonstrated by G proteins and protein tyrosine kinases from sponge and hydra. Journal of Molecular Evolution 1999, 48(six):646-653. 108. Koyanagi M, Ono K, Suga H, Iwabe N, Miyata T: Phospholipase C cDNAs from sponge and hydra: antiquity of genes involved inside the inositol phospholipid signaling pathway. Febs Lett 1998, 439(1-2):66-70. 109. Savard J, Tautz D, Richards S, Weinstock GM, Gibbs RA, Werren JH, Tettelin H, Lercher MJ: Phylogenomic analysis reveals bees and wasps (Hymenoptera) in the base from the radiation of Holometabolous insects. Genome Res 2006, 16(11):1334-1338.doi:ten.11861471-2148-10-123 Cite this article as: Rivera et al.: Gene duplication and the origins of morphological complexity in pancrustacean eyes, a genomic Alclometasone Glucocorticoid Receptor approach. BMC Evolutionary Biology 2010 10:123.Submit your subsequent manuscript to BioMed Central and take complete advantage of:Convenient on-line submission Thorough peer overview No space constraints or colour figure charges Immediate publication on acceptance Inclusion in PubMed, CAS, Scopus and Google Scholar Study which can be freely available for redistributionSubmit your manuscript at www.biomedcentral.comsubmitAnimals respond to environmental cues via alteration of neural circuits that modify behavior and metabolism. The mechanism underlying the regulation on the neural circuit in response to a straightforward sensory cue is exceptionally complicated and tough to disentangle in mammals. The nematode Caenorhabditis elegans presents a fantastic model organism to analyze neural circuit function.